8219540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{58711}}^1$

素因数の和:58727

約数の個数: 24

約数和(自身を含む): 19727232

約数和(自身を除く): 11507692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 58711, 117422, 234844, 293555, 410977, 587110, 821954, 1174220, 1643908, 2054885, 4109770, 8219540]

約数ペア:

[(1, 8219540), (2, 4109770), (4, 2054885), (5, 1643908), (7, 1174220), (10, 821954), (14, 587110), (20, 410977), (28, 293555), (35, 234844), (70, 117422), (140, 58711)]